inventions mcq questions and answers for competitive exams

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inventions mcq questions and answers for competitive exams UPSC SSC , SSC CGL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
16.
FROZEN FOOD - Who discovered the first practical method of freezing food?

a
C. Birdseye
b
F. Rozenosh
c
G. Findus
d
R. Scott

17.
Printing press is invented in

a
1960
b
1950
c
1920
d
1940

18.
What Elisha Otis invented?

a
The brake used in modern elevators
b
Jet Engine
c
Turbine
d
Hydraulic Crane

19.
The theory of inheritance of acquired character was propounded by

a
J.
b
Lamarck B. Weismann
c
Gregor Mendel
d
Charles Darwin

20.
In which decade was the AEEE (now the IEEE) founded?

a
1880's
b
1850's
c
1930's
d
1950's

21.
Rayon was invented by

a
Sir Joseph Swann
b
Christopher Cockerell
c
Adolph Rickenbacker
d
David Brewster

22.
Which famous inventor ranks second in the number of patents registered?

a
Edwin Land
b
Thomas Alva Edison
c
James Watt
d
Albert Einstein

23.
For whom high heeled shoes were invented?

a
Cleopatra
b
Queen Elizabeth I
c
King Louis the XIV
d
King Charles II

24.
Who invented Radar?

a
Max Planck
b
Humphrey Davy
c
Henrey Backquerel
d
Robert Watson Watt

25.
Streptomycin was invented by

a
Marie Curie
b
Fleming
c
Walksman
d
None of these

26.
In which decade was the SPICE simulator introduced?

a
1950s
b
1960s
c
1970s
d
1980s

27.
Cinematography was invented by

a
Graham Bell
b
Edison
c
Faraday
d
Zeiss

28.
What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

a
Blender
b
Electric mixer
c
Washing machine
d
Vacuum cleaner

29.
Who was the first person to patent the JET ENGINE?

a
F. Whittle
b
Lindbergh
c
W. Histell
d
Owings

30.
Which group invented and developed the early Internet?

a
The Soviet Union
b
The U.S. government
c
The United Nations
d
The European Union

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